JP5808272B2 - Vibration plate - Google Patents

Description

  The present invention relates to a vibration plate characterized by placing a battery.

  A battery is mounted on the vibration plate in consideration of various electrical components equipped or for starting and driving the prime mover. This battery is placed on a motor frame interposed between a base plate as a bottom plate and a motor (see, for example, Patent Document 1). In Patent Document 1, a recess is provided in the frame for storing the battery, and the battery is stored and supported in the recess via a vibration-proof rubber in order to reduce the influence of vibration on the battery.

Japanese translation of PCT publication No. 2003-505837

  However, it becomes difficult to clean the recessed portion for storing the battery when dirt or the like enters during the work. Further, since the anti-vibration rubber is provided in the recess, the anti-vibration effect of the anti-vibration rubber is lost when dirt or the like enters the gap of the anti-vibration rubber, and there is a possibility that a large impact is applied to the battery.

  The present invention has been made in consideration of the above prior art, and provides a vibration plate that can hold a battery while maintaining the performance of a vibration-proof rubber and can further improve the cleanability around the battery. Objective.

  To achieve the above object, in the present invention, a base plate for compacting the ground, a prime mover frame disposed on the base plate and having a bottom floor portion and left and right side wall portions, and placed on the prime mover frame. Comprising a prime mover, an operation pole extending from a rear end of the prime mover frame, and a battery disposed between the prime mover and the operation pole, and the side wall portion has a pedestal formed to protrude inward, The bottom floor portion on the rear side of the prime mover frame is formed with an inclined surface whose upper surface is lowered rearward, and the battery is mounted on a bracket attached to the pedestal via an anti-vibration rubber, and the side wall portion The bracket is mounted so as to be spaced from the inclined surface and the bottom floor portion at least at a part above the inclined surface and the bottom floor portion. Providing a vibration plate, characterized in that the.

  Preferably, the bracket includes a bottom piece for mounting the battery, left and right side pieces that are continuous with the bottom piece and are spaced from the inner surface of the side wall portion, and the left and right side pieces. Each of the left and right ear pieces is placed on the anti-vibration rubber.

  Preferably, the pedestal extends along the side wall portion continuously from the bottom floor portion, and a front side surface of the pedestal extends toward the center side rear of the prime mover frame.

  Preferably, the surface of the pedestal at the part where the vibration isolating rubber is to be placed is formed in parallel with the surface of the bottom floor of the part where the prime mover is to be placed.

  According to the present invention, since the bracket on which the battery is placed is disposed at an interval with respect to the inclined surface, the motor is generated by utilizing the gap generated between the battery (bracket) and the inclined surface. It is possible to easily clean dust, earth and sand accumulated on the bottom floor of the frame. In particular, the inclined surface formed on the bottom floor of the prime mover frame is provided for facilitating dropping of dust, earth and sand, etc. to the ground as the vibration plate travels, so that the fall is not hindered. Although the battery is easily affected by vibration, the bracket on which the battery is placed is placed on a pedestal provided on the side wall, not the bottom floor of the prime mover frame, and vibration is isolated between the bracket and the pedestal. By inserting a vibration reducing member such as rubber, it is possible to suppress vibration from being transmitted to the battery.

  Further, since the bracket is formed of the bottom piece, the side piece, and the ear piece, at least the vibration-proof rubber is positioned not on the lower side of the battery but on the side by the length of the side piece. For this reason, transmission of vibration can be suppressed more than when there is an anti-vibration rubber between the battery and the bottom floor of the prime mover frame.

  In addition, when the pedestal extends along the side wall portion continuously from the bottom floor portion, the front side surface of the pedestal extends toward the center side rear of the prime mover frame, so that dust or the like on the prime mover frame is in front. It becomes easy to move backward along the front side surface of the pedestal as it travels in the direction, and dust or the like can be prevented from accumulating on the prime mover frame.

  In addition, since the pedestal surface and the bottom floor surface are parallel, the surface of the pedestal surface can be processed in the same way as the bottom floor of the part where the prime mover is placed at the stage of producing the prime mover frame. It can contribute to reduction of man-hours.

It is a schematic side view of the vibration plate which concerns on this invention. It is a schematic cross-sectional view of a battery accommodating part. It is a schematic longitudinal cross-sectional view of a battery accommodating part. It is a schematic plan view of a battery accommodating part.

  The vibration plate 1 according to the present invention includes a base plate 2 for compacting the ground, a vibrator main body 3 disposed on the base plate 2, and an operation pole 4 extending from the vibrator main body 3. The base plate 2 directly contacts the ground and is driven by the vibrator main body 3. Specifically, the base plate 2 has a vibration body 5 mounted thereon, and the base plate 2 vibrates by operating the vibration body 5. A prime mover 9 serving as a power source for operating the vibrator 5 is provided in the vibrator main body 3. Specifically, the prime mover 9 is placed on a prime mover frame 7 disposed on the base plate 2. Both sides of the vibrator main body 3 are covered with the prime mover frame 7. A protective frame 8 is further attached to the prime mover frame 7, and the prime mover 9 and its peripheral devices are protected by the frames 7 and 8. On the upper side of the protective frame 8, a suspension ring 23 for hooking a hook or the like for lifting and transporting the vibration plate 1 is provided. The base plate 2 and the vibrator main body 3 are connected via an anti-vibration rubber 6 (see FIG. 3).

  An engine, an electric motor, or the like can be used as the prime mover 9. A cover 10 that covers the drive transmission mechanism of the prime mover 9 is disposed on the right side of the vibration plate 1. A battery 16 is disposed between the prime mover 9 and the operation pole 4.

  The operation pole 4 is attached to the vibrator main body 3 so as to be rotatable about a root portion thereof. The angle of the operation pole 4 at the working position (the state shown in FIG. 1) can be adjusted by changing the insertion length of the bolt 18 inserted through the anti-vibration rubber 17. An accelerator lever 19 that can operate a wire for increasing the rotational speed of the prime mover 9 is attached to the right side surface of the operation pole 4. Further, a key switch 20 for starting the prime mover 9 is provided on the front surface of the operation pole 4, and this key switch 20 is attached to a display 21 for displaying various operating states of the vibration plate 1. When the operation pole 4 is set to the storage position in a state where the operation pole 4 stands in the vertical direction, the position of the operation pole 4 is held by the lock member 22 attached to the protective frame 8.

  A handle 24 is provided at the tip of the operation pole 4. The handle 24 is operated by an operator in order to move the vibration plate 1 forward or backward, or to turn left and right. The vibration plate 1 of the present embodiment moves forward when the handle 24 is tilted forward and moves backward when the handle 24 is tilted backward. It is designed so that when the operator removes his / her hand from the handle 24, the advance position is automatically reached. A mechanism for transmitting the driving operation of the handle 24 to the vibration generator 5 is disposed at the tip of the operation pole 4, and this mechanism is covered with a tip body 25.

  As shown in FIG. 2, the prime mover frame 7 has a bottom floor portion 7a and left and right side wall portions 7b. A pedestal 11 protrudes from the side wall 7b. In consideration of productivity, the pedestal 11 may be formed integrally with the side wall portion 7b by casting or the like, but may be manufactured separately and attached by welding or the like. A bracket 13 is placed on the top of the pedestal 11 via a vibration-proof rubber 12. The bracket 13 is formed by bending a plate-like body, and includes a bottom piece 14, side pieces 15, and ear pieces 26. Among these, the ear piece 26 is placed on the pedestal 11 via the anti-vibration rubber 12 and is fixed by the bolt 30. In addition, according to the various shapes of the vibration-proof rubber 12, the attachment method of the ear piece 26 is changed suitably. A battery 16 is placed on the bottom piece 14. From the left and right sides of the bottom piece 14, the side pieces 15 extend upward and are continuous with the ear pieces 26. The battery 16 is positioned with respect to the bracket 13 by an angle 31 and is fixed by a bolt 32.

  Here, the bottom piece 14 and the side piece 15 are arrange | positioned so that there may exist a space | interval with respect to the bottom floor part 7a and the side wall part 7b (base 11), respectively. In other words, a gap 27 is formed between the bottom piece 14 and the bottom floor portion 7a, and a gap 28 is formed between the side piece 15 and the side wall portion 7b (base 11). Due to the gaps 27 and 28, the surface of the motor frame 7 can be easily cleaned. In particular, as shown in FIG. 3, the bottom floor 7 a on the rear side of the motor frame 7 is formed with an inclined surface 29 whose upper surface is lowered rearward, and at least a part of the bracket 13 is located above the inclined surface 29. Is located. In the example of FIG. 3, the bracket 13 is also disposed with a space between at least a part of the bottom floor portion 7a. As described above, since the bracket 13 on which the battery 16 is placed is disposed at a distance from the inclined surface 29, a gap 27 generated between the battery 16 (bracket 13) and the inclined surface 29. It is possible to easily clean the dust, earth and sand accumulated on the bottom floor portion 7a of the prime mover frame 7 by using. In particular, the inclined surface 29 formed on the bottom floor portion 7a of the prime mover frame 7 is provided so as to be lowered toward the rear in order to make it easier to drop dust, earth and sand, etc. on the ground as the vibration plate 1 travels. This fall is not prevented by the battery 16.

  Further, since the bracket 13 has the side piece 15, the battery 16 is supported by the base 11 so that a substantially middle portion in the vertical direction is located on the upper surface of the vibration-proof rubber 12. Although the battery 16 is easily affected by vibration, the bracket 13 on which the battery 16 is placed is placed on the pedestal 11 provided on the side wall 7b instead of the bottom floor 7a of the motor frame 7, that is, the battery 16 is placed. It is possible to suppress vibration from being transmitted to the battery 16 by holding it in a floating state rather than being placed on the bottom floor portion 7a. Since the bracket 13 is formed of the bottom piece 14, the side piece 15, and the ear piece 26, at least the vibration-proof rubber 12 is positioned above the side piece 15 by the length of the side piece 15 rather than the lower side of the battery 16. For this reason, transmission of vibration can be suppressed more than when the battery 16 is placed on the bottom floor portion 7a of the prime mover frame 7 via the vibration isolating rubber.

  As shown in FIG. 3, the pedestal 11 may extend along the side wall portion 7 b continuously from the bottom floor portion 7 a (inclined surface 29), or only the portion on which the antivibration rubber 12 is placed from the side wall portion 7 b. It may be protruding. In the former case, as shown in FIG. 4, the front side surface 11 a of the base 11 preferably extends toward the center side rear of the prime mover frame 7. That is, when the side wall portion 7b is parallel to the front-rear direction of the vibration plate 1, the angle θ between the side surface 11a and the front direction of the side wall portion 7b is an obtuse angle. As a result, dust and the like on the prime mover frame 7 easily move rearward along the front side surface 11a of the pedestal 11 as the vibration plate 1 travels in the forward direction, and dust and the like accumulate on the prime mover frame 7. Can be prevented.

  Further, as shown in FIG. 2, the surface of the base 11 where the vibration isolator 12 is to be placed (the surface at the top of the base 11) is the same as the surface of the bottom floor 7a where the prime mover 9 is to be placed. They are formed in parallel. Thus, since the surface of the base 11 and the surface of the bottom floor 7a are parallel to each other, the surface of the surface of the base 11 remains in the state of processing the bottom floor 7a where the motor 9 is placed at the stage of manufacturing the motor frame 7. Since processing becomes possible, it can contribute to the reduction of manufacturing man-hours.

DESCRIPTION OF SYMBOLS 1 Vibration plate 2 Base plate 3 Vibrator main body 4 Operation pole 5 Vibration body 6 Vibration-proof rubber 7 Motor | power_engine frame 7a Bottom floor part 7b Side wall part 8 Protection frame 9 Motor | power_engine 10 Cover 11 Base 12 Vibration-proof rubber 13 Bracket 14 Bottom piece 15 Side piece 16 Battery 17 Anti-vibration rubber 18 Bolt 19 Accelerator lever 20 Key switch 21 Display 22 Lock member 23 Suspension ring 24 Handle 25 Tip body 26 Ear piece 27 Gap 28 Gap 29 Gradient surface 30 Bolt 31 Angle 32 Bolt

Claims (4)

A base plate for compacting the ground,
A prime mover frame disposed on the base plate and having a bottom floor and left and right side walls;
A prime mover mounted on the prime mover frame;
An operation pole extending from the rear end of the prime mover frame;
A battery disposed between the prime mover and the operation pole;
The side wall portion has a pedestal formed to protrude inward,
The bottom floor portion on the rear side of the prime mover frame is formed with an inclined surface whose upper surface is lowered rearward,
The battery is placed on a bracket attached to the pedestal via an anti-vibration rubber,
The bracket is placed so as to be spaced apart from the inclined surface and the bottom floor portion at least at a part above the inclined surface and the bottom floor portion across the side wall portions. A vibrating plate characterized by The bracket is
A bottom piece for mounting the battery;
The left and right side pieces that are continuous with the bottom piece and are formed at intervals with respect to the inner surface of the side wall part,
The vibration plate according to claim 1, further comprising left and right ear pieces that are respectively continuous with the left and right side pieces and are placed on the anti-vibration rubber.   The said base is continuously extended from the said bottom floor part along the said side wall part, and the side surface of the front side of the said base is extended toward the center side back of the said motor | power_engine flame | frame. Vibration plate.   3. The vibration plate according to claim 2, wherein a surface of the base of the portion where the vibration isolator is to be placed is formed in parallel with a surface of the bottom floor portion of the portion where the prime mover is to be placed. .

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